Looking forward to the Vid

3 amp is a safe charge rate and will get you a longer run time..

You could rip 5 amps into it but charging at High Amperage tend to let the Batteries Burst the Power at a High rate but shortened run time and it can reduce the battery life..

3 amps is safe..

My Swallow advanced peaked the el-cheapo type 1800mah at 2150mah when I used a 3 amp charge